我有一个实体类User。
我成功生成了端点类和客户端库。
我将电子邮件属性设为Id。
在android项目中调用getUser（）int时，如下所示：
Userendpoint.Builder builder = new Userendpoint.Builder(AndroidHttp.newCompatibleTransport(), new GsonFactory(), null);
Userendpoint service = builder.build();
com.mycompany.services.userendpoint.model.User user = new User();
user = service.getUser("*****@hotmail.com").execute();
我收到了这个错误：
07-14 12:19:00.380 30153-30180/com.emcloud.app W/System.err﹕ com.google.api.client.googleapis.json.GoogleJsonResponseException: 404 Not Found
07-14 12:19:00.380 30153-30180/com.emcloud.app W/System.err﹕ Not Found
07-14 12:19:00.380 30153-30180/com.emcloud.app W/System.err﹕ at com.google.api.client.googleapis.services.json.AbstractGoogleJsonClientRequest.newExceptionOnError(AbstractGoogleJsonClientRequest.java:113)
07-14 12:19:00.390 30153-30180/com.emcloud.app W/System.err﹕ at com.google.api.client.googleapis.services.json.AbstractGoogleJsonClientRequest.newExceptionOnError(AbstractGoogleJsonClientRequest.java:40)
07-14 12:19:00.390 30153-30180/com.emcloud.app W/System.err﹕ at com.google.api.client.googleapis.services.AbstractGoogleClientRequest$1.interceptResponse(AbstractGoogleClientRequest.java:312)
07-14 12:19:00.390 30153-30180/com.emcloud.app W/System.err﹕ at com.google.api.client.http.HttpRequest.execute(HttpRequest.java:1045)
07-14 12:19:00.390 30153-30180/com.emcloud.app W/System.err﹕ at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.executeUnparsed(AbstractGoogleClientRequest.java:410)
07-14 12:19:00.390 30153-30180/com.emcloud.app W/System.err﹕ at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.executeUnparsed(AbstractGoogleClientRequest.java:343)
07-14 12:19:00.390 30153-30180/com.emcloud.app W/System.err﹕ at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.execute(AbstractGoogleClientRequest.java:460)
即使我在app引擎上有一个已部署的项目版本。运行我的android项目时，它无法进入execute()方法。它会停止执行此方法。